Replaces the bolt or cotter pin with a fast, strong connection. Spring steel rings. Solid steel shank. Maximum heavy-duty construction provides maximum holding power. 7 sizes in Categories 0, 1, 2 & 3. Assortment Contains: 30 - S07090100, 15 - S07091900, 15 - S07091500, 15 - S07090200, 20 - S07091300, 30 - S07090400, 10 - S07090800.